opencv （1）显示图像，图片123.jpg放在同一个文件夹内

#include<opencv2\opencv.hpp>
#include<opencv2\highgui\highgui.hpp>

using namespace std;
using namespace cv;

int main()
{
Mat img = imread(“123.jpg”);
imshow(“原始图”, img);
Mat out;
boxFilter(img, out, -1, Size(5, 5));//-1指原图深度
imshow(“方框滤波”, out);
waitKey(0);

Mat img1 = imread("123.jpg");
imshow("原始图", img1);
Mat out1;
GaussianBlur(img1, out1, Size(3, 3), 0, 0);
imshow("高斯滤波", out1);
waitKey(0);

}